TIRE PRESSURE WARNING SYSTEM, Diagnostic DTC:C2198/98

DTC Code DTC Name
C2198/98 Initialization Switch (for Test Mode DTC)

DESCRIPTION

During test mode, when the tire pressure warning reset switch is on, the tire pressure warning light illuminates and when the tire pressure warning reset switch is off, the tire pressure warning light blinks at 0.125 second intervals.

DTC No. DTC Detection Condition Trouble Area
C2198/98 Test mode procedure is performed.

  • Tire pressure warning reset switch

  • Wire harness or connector

  • Tire pressure warning ECU and receiver

WIRING DIAGRAM

A0043OOE11

INSPECTION PROCEDURE

Note


  • When replacing the tire pressure warning ECU and receiver, read the transmitter IDs stored in the old ECU using the GTS and write them down before removal.

  • It is necessary to perform initialization Click here after registration Click here of the transmitter IDs into the tire pressure warning ECU and receiver if the ECU has been replaced.

PROCEDURE


  1. INSPECT TIRE PRESSURE WARNING RESET SWITCH


    1. A0044AYE01
      Text in Illustration
      *a

      Component without harness connected

      (Tire Pressure Warning Reset Switch)
      *b On
      *c Off

      Remove the tire pressure warning reset switch.

    2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance
      Tester Connection Condition Specified Condition
      1 (INT) - 2 (E) On Below 1 Ω
      Off 10 kΩ or higher

    NG

    REPLACE TIRE PRESSURE WARNING RESET SWITCH Click here

    OK

  2. CHECK HARNESS AND CONNECTOR (RESET SWITCH - TIRE PRESSURE WARNING ECU AND RECEIVER)


    1. Disconnect the L118 tire pressure warning reset switch connector.

    2. Disconnect the R30 tire pressure warning ECU and receiver connector.

    3. Measure the resistance according to the value(s) in the table below.

      Standard Resistance
      Tester Connection Condition Specified Condition
      R30-7 (CLSW) - L118-1 (INT) Always Below 1 Ω
      R30-7 (CLSW) or L118-1 (INT) - Body ground Always 10 kΩ or higher
      L118-2 (E) - Body ground Always Below 1 Ω

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

    REPLACE TIRE PRESSURE WARNING ECU AND RECEIVER Click here